One-step solvothermal synthesis of Fe-doped BiOI film with enhanced photocatalytic performance

Miaomiao Wang, Jianzhi Gao, Gangqiang Zhu, Ning Li, Runliang Zhu, Xiumei Wei, Quanmin Guo, Peng Liu

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16 Citations (Scopus)


Ultrathin nanosheets consisting of Fe-doped BiOI were obtained on a FTO (SnO2:F) glass substrate via a simple solvothermal process. High-resolution transmission electron microscopic analysis indicates that the ultrathin nanosheets are exposed with {001} facets. The Fe-doped BiOI film has a higher photocatalytic activity for degrading Rhodamine B under visible light irradiation in comparison with the undoped BiOI films. The photocatalytic activity reached a maximum when the Fe doping concentration was 7%. It is believed that an optimal concentration of Fe3+ ions improves the electron–hole separation efficiency, hence improving the degradation rate of Rhodamine B. Scavenger test results indicate that the photo-generated h+ and ˙O2− play an important role in the degradation of Rhodamine B. A possible photocatalytic degradation mechanism for Rhodamine B by Fe-doped BiOI film is presented.
Original languageEnglish
JournalRSC Advances
Issue number108
Early online date26 Oct 2016
Publication statusE-pub ahead of print - 26 Oct 2016


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